body{
    margin: 0px;
}
#header{
    width: 100%;
    height: 120px;
    background-image: url(img/header.jpg);
    background-position: 50% 50%;
}
#nav{
    height: 40px;
    width: 100%;
    
    background-color: #333;
}
#nav-main{
    width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    position: relative;
}
#nav-left{
    width: 560px;
    height: 40px;
}
 .a1{
    font-size: 12px;
    color: #b0b0b0;
    line-height: 40px;
    text-decoration: none;
    
}
 .a1:hover{
    color: #fff;
}
#nav-left .sp1{
    line-height: 40px;
    margin: 0 6px;
}
#nav-right{
    width: 260px;
    height: 40px;
    position: absolute;
    right: 0px;
    top: 0px;
}
#nav-right a{
    padding: 0 5px;
}
#shop{
    width: 100px;
    height: 40px;
    background-color:#424242;
    display: inline-block;
    text-align: center;
}
#shop:hover span,#shop:hover #icon{
    color: #ff6700;
}
#shop:hover{
    background-color: white;
    box-shadow: 1px 1px 1px 0 black;
}
#icon{
    color: #fff;
}

#nav2{
    width: 1280px;
    height: 100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
#nav2 img{
    width: 55px;
    height: 55px;
    margin-top: 20px;
}
#nav2-center{
    width: 800px;
    height: 100px;
    line-height: 100px;
    list-style: none;
    display: flex;
    justify-content: space-around;
    color: #333;
    box-sizing: border-box;
    padding-left: 90px;
    margin: 0px;
}
#nav2-center li{
    cursor: pointer;
    font-size: 16px;
}
#nav2-center li:hover{
    color: #ff6700;

}
#nav2-right{
    
    width: 300px;
    height: 52px;
    display: flex;
    flex-direction: row;
    margin-top: 25px;
    position: relative;
}

#nav2-rrr{

    border: 1px solid #e0e0e0;
    width: 245px;
    height: 50px;

}
#nav2-right input{
    height: 45px;
    width: 245px;
    border: none;
    padding-left: 30px;
}
#sp2{
    width: 50px;
    height: 50px;
    border: 1px solid #e0e0e0;
    position: absolute;
    bottom: 0;
    right: 0;
    font-size: 20px;
    text-align: center;
    line-height: 50px;
    cursor: pointer;

}
#sp2:hover{
    color: white;
    background-color: #ff6700;
}

#banner{
    height: 460px;
    width: 1280px;
    margin: 0 auto;
    background-image: url(img/banner.jpg);
    height: 460px;
    background-size: 100% 100%;
    position: relative;
}
#n-left{
    width: 234px;
    height: 460px;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(00, 0, 0, 0.6);
    
    

}
#n-left ul{
    width: 234px;
    height: 460px;
    list-style-type: none;
    margin: 0px;
    margin-top:20px; 
    padding: 0px;
    color: white !important;
    
} 
#n-left li{
    height: 42px;
    width: 234px;
    cursor: pointer;
    line-height: 42px;
    padding-left: 40px;
    box-sizing: border-box;
    font-size: 14px;
    position: relative;
}
#n-left li:hover{
    background-color: #ff6700;
}
.sp3{
    color: #b0b0b0;
    position: absolute;
    top: 15px;
    right: 25px;   
}
#banner-bottom{
    width: 1280px;
    height: 170px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}
#bb1{
    width: 234px;
    height: 170px;
    background-color: #5f5750;
}
#bb1 div{
    display: inline-block;
    width: 70px;
    height: 80px;
    line-height: 80px;
    text-align: center;
    font-size: 14px;
    color: #fff;
}
.bb2{
   
    width: 316px;
    height: 170px;
}
.bb2 img{
    width: 100%;
    height: 100%;
}